28647420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{20759}}^1$

素因数の和:20794

約数の個数: 48

約数和(自身を含む): 83704320

約数和(自身を除く): 55056900

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 46, 60, 69, 92, 115, 138, 230, 276, 345, 460, 690, 1380, 20759, 41518, 62277, 83036, 103795, 124554, 207590, 249108, 311385, 415180, 477457, 622770, 954914, 1245540, 1432371, 1909828, 2387285, 2864742, 4774570, 5729484, 7161855, 9549140, 14323710, 28647420]

約数ペア:

[(1, 28647420), (2, 14323710), (3, 9549140), (4, 7161855), (5, 5729484), (6, 4774570), (10, 2864742), (12, 2387285), (15, 1909828), (20, 1432371), (23, 1245540), (30, 954914), (46, 622770), (60, 477457), (69, 415180), (92, 311385), (115, 249108), (138, 207590), (230, 124554), (276, 103795), (345, 83036), (460, 62277), (690, 41518), (1380, 20759)]